When you book your flight from Tap Portugal require a middle name , you only need to provide your first and last name. You do not need to include your middle name. Usually, Portugal does not add middle names. That is fine as long as your first and last name match your copyright. If you want more details about TAP Portugal flights, TripsFares helps you manage your travel plans. You can... https://www.tripsfares.com/blogs/does-tap-portugal-require-a-middle-name